1:  class Person {

   2:      get [Symbol.toStringTag]() { // Customizes how objects are represented in Object.prototype.toString()

   3:          return "Human";

   4:      }

   5:  }

   6:  const person = new Person();

   7:  console.log(Object.prototype.toString.call(person));

   8:  // Output: [object Human] (instead of the usual [object Person] ). Usefull when you want to provide custom type checking.